161779400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{27893}}^1$

素因数の和:27938

約数の個数: 48

約数和(自身を含む): 389121300

約数和(自身を除く): 227341900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 5800, 27893, 55786, 111572, 139465, 223144, 278930, 557860, 697325, 808897, 1115720, 1394650, 1617794, 2789300, 3235588, 4044485, 5578600, 6471176, 8088970, 16177940, 20222425, 32355880, 40444850, 80889700, 161779400]

約数ペア:

[(1, 161779400), (2, 80889700), (4, 40444850), (5, 32355880), (8, 20222425), (10, 16177940), (20, 8088970), (25, 6471176), (29, 5578600), (40, 4044485), (50, 3235588), (58, 2789300), (100, 1617794), (116, 1394650), (145, 1115720), (200, 808897), (232, 697325), (290, 557860), (580, 278930), (725, 223144), (1160, 139465), (1450, 111572), (2900, 55786), (5800, 27893)]